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air pressure
terms and concepts that involve air pressure
24
Science
7th Grade
09/09/2009

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Cards

Term
Define air pressure
Definition
The weight of air pressing on an area.
Term
How does water vapor effect air pressure?
Definition
Water vapor molecules can displace air molecules causing the area to weigh less.
Term
How does elevation effect air presure?
Definition
The higher you go in elevation the lower the air pressure.
Term
How does temperature effect air pressure?
Definition
The colder the air, the higher the air pressure will be. The warmer the air the lower the air pressure will be.
Term
Barometer -
Definition
an instrument that is used to measure the amount of air pressure.
Term
Wind -
Definition
moving air.
Term
What causes wind?
Definition
Wind is caused by unequal heating of the earth’s surface by the sun
Term
What heats up faster land or water?
Definition
Land heats up faster.
Term
What holds heat longer land or water?
Definition
water holds heat longer.
Term
Wind vane
Definition
- shows which direction the wind is coming from
Term
How are winds named?
Definition
Winds are named from the direction they are coming from.
Term
Does the sun heat the earth evenly?
Definition
No, it creates areas of high and low pressure.
Term
True or False - By using this flashcard machine to study I will score an A!
Definition
False - you should review your notes and the power points.
Term
How many sentences need be written for a four point question?
Definition
four at least.
Term
Troposphere
Definition
Where wather occurs, we live there.
Term
Ozone layer is found here
Definition
stratosphere
Term
the exosphere is a part of this layer
Definition
thermosphere
Term
Meterors burn up here
Definition
mesophere
Term
Inches of mecury
Definition
Unit of measure for a barometer.
Term
This is how the sun transfer heat.
Definition
Radiation
Term
Particles that are touching transfer heat by _____________.
Definition
conduction
Term
An example of this is when air heats up, becomes low pressure and rises. High pressure comes in to replace the low pressure air. The low pressure air eventually cools and sinks and becomes high pressure air.
Definition
convection current.
Term
[image]
Definition
Land Breeze
Term
[image]
Definition
Sea Breeze
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